D10633: Use 22px battery and keyboard icon in lock screen and sddm

[Yunhe Guo]

guoyunhe added a reviewer: Plasma: Workspaces.

REPOSITORY
  R120 Plasma Workspace

REVISION DETAIL
  https://phabricator.kde.org/D10633

To: guoyunhe, #plasma_workspaces
Cc: plasma-devel, ZrenBot, lesliezhai, ali-mohamed, jensreuterberg, abetts, 
sebas, apol, mart